Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
오피뷰트위터J 【bb82¸iCu】♪오피뷰접속♧오피뷰접속♖오피뷰접속 오피뷰사이트◆오피뷰새주소
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random